{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Subject.Disorder", "Subject", "Treatment.Time_elapsed", "Subject.Race", "Treatment.Duration", "Treatment.Dosage", "Effect", "Subject.Population", "Treatment.Freq", "Subject.Age", "Treatment.Disorder", "Treatment"]}, {"event_type": "adverse event", "trigger": true, "arguments": ["Treatment.Duration", "Treatment.Time_elapsed", "Subject.Age", "Combination.Drug", "Treatment.Freq", "Treatment.Route", "Treatment", "Subject.Population", "Effect", "Treatment.Drug", "Treatment.Disorder", "Subject.Race", "Subject", "Treatment.Dosage"]}], "input": "Combining methylephedrine and Chinese herbal drugs might carry a risk of stroke."}
{"potential therapeutic event": [], "adverse event": [{"trigger": "carry ", "arguments": {"Treatment.Duration": "NAN", "Treatment.Time_elapsed": "NAN", "Subject.Age": "NAN", "Combination.Drug": ["Chinese herbal drugs", "methylephedrine"], "Treatment.Freq": "NAN", "Treatment.Route": "NAN", "Treatment": "Combining methylephedrine and Chinese herbal drugs", "Subject.Population": "NAN", "Effect": "risk of stroke", "Treatment.Drug": ["Chinese herbal drugs", "methylephedrine"], "Treatment.Disorder": "NAN", "Subject.Race": "NAN", "Subject": "NAN", "Treatment.Dosage": "NAN"}}]}